DE3769438D1 - Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem. - Google Patents

Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem.

Info

Publication number
DE3769438D1
DE3769438D1 DE8787116818T DE3769438T DE3769438D1 DE 3769438 D1 DE3769438 D1 DE 3769438D1 DE 8787116818 T DE8787116818 T DE 8787116818T DE 3769438 T DE3769438 T DE 3769438T DE 3769438 D1 DE3769438 D1 DE 3769438D1
Authority
DE
Germany
Prior art keywords
periodic
permanent
focusing system
magnetic focusing
field tubes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8787116818T
Other languages
English (en)
Inventor
Gerit Ing Grad Boehme
Hermann Turnwald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE8787116818T priority Critical patent/DE3769438D1/de
Application granted granted Critical
Publication of DE3769438D1 publication Critical patent/DE3769438D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/12—Vessels; Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
DE8787116818T 1986-11-26 1987-11-13 Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem. Expired - Fee Related DE3769438D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787116818T DE3769438D1 (de) 1986-11-26 1987-11-13 Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3640332 1986-11-26
DE8787116818T DE3769438D1 (de) 1986-11-26 1987-11-13 Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem.

Publications (1)

Publication Number Publication Date
DE3769438D1 true DE3769438D1 (de) 1991-05-23

Family

ID=6314774

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787116818T Expired - Fee Related DE3769438D1 (de) 1986-11-26 1987-11-13 Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem.

Country Status (3)

Country Link
US (1) US4820955A (de)
EP (1) EP0268959B1 (de)
DE (1) DE3769438D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4942336A (en) * 1988-04-18 1990-07-17 Kurt Amboss Traveling-wave tube with confined-flow periodic permanent magnet focusing
CN100426444C (zh) * 2004-04-09 2008-10-15 中国科学院电子学研究所 一种用于行波管的复合管壳制造方法
US7663327B2 (en) * 2005-05-13 2010-02-16 Massachusetts Institute Of Technology Non-axisymmetric periodic permanent magnet focusing system
CN106628243B (zh) * 2016-08-24 2018-11-27 北京卫星环境工程研究所 基于行波管的热噪声试验系统加热窗口
CN110600352B (zh) * 2019-09-16 2020-09-25 电子科技大学 一种适用于带状注行波管的电子光学系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL280893A (de) * 1961-07-13
DE1541060B2 (de) * 1966-09-20 1970-11-26 Siemens AG, 1000 Berlin u. 8OOO München Permanentmagnetsystem zur Erzeugung eines magnetischen Längsfeldes für die gebündelte Führung des Elektronenstrahls einer Laufzeitröhre
US4104559A (en) * 1976-11-01 1978-08-01 Microwave Associates, Inc. Isopolar magnetron supported with rigid insulation in a remote housing
JPS5580851U (de) * 1978-11-29 1980-06-04
DE3216250C2 (de) * 1982-04-30 1985-04-25 Siemens AG, 1000 Berlin und 8000 München Wanderfeldröhre mit periodisch-permanentmagnetischem Fokussiersystem
DE3433718A1 (de) * 1984-09-14 1986-03-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Lauffeldroehre
US4712293A (en) * 1986-11-28 1987-12-15 Hughes Aircraft Company Method for securing a slow-wave structure in enveloping structure with crimped spacers

Also Published As

Publication number Publication date
US4820955A (en) 1989-04-11
EP0268959B1 (de) 1991-04-17
EP0268959A1 (de) 1988-06-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee